K-ON! character image song series Mio Akiyama PCCG-00982 released 2009.06.17 1365 yen

This CD contains character songs for the TV anime K-On (けいおん!) .

The tracks are as follows.

1. Heart Goes Boom!!
2. Hello Little Girl
3. 『レッツゴー』(澪 Ver.) [Let's Go (Mio version)]
4. Heart Goes Boom!! (Instrumental)
5. Hello Little Girl (Instrumental)
6. "Let's Go" (Instrumental)

"Let's Go" has background vocals by the Sakura Kou Keionbu (桜高軽音部) [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi].

This CD single placed highly in the Oricon Daily Singles Rankings. It peaked at number 2 .